[imp] adding realm in IMP5

[Andrew Morgan]

Is there anyone using multiple IMAP servers with Horde4/IMP5?

I have to find a way to authenticate to the IMAP server with a bare 
username, but store preferences in the Horde database with a domain/realm.

 	Andy

On Mon, 13 Aug 2012, Andrew Morgan wrote:

> On Mon, 13 Aug 2012, Andrew Morgan wrote:
>
>> On Wed, 8 Aug 2012, Andrew Morgan wrote:
>> 
>>> On Wed, 8 Aug 2012, Michael M Slusarz wrote:
>>> 
>>>> Quoting Andrew Morgan <morgan at orst.edu>:
>>>> 
>>>>> Is there a recommended way to replicate/replace the old "realm" 
>>>>> parameter in IMP5?  I have 2 issues I am trying to solve:
>>>>> 
>>>>> 1. I have 8 different IMAP servers.  2 of them are different IMAP 
>>>>> servers, but I want to share user preferences between them (we are 
>>>>> migrating slowly over time from an old IMAP server to a new IMAP server)
>>>>> 
>>>>> 2. Username is not unique between all 8 IMAP servers, so in the 
>>>>> preferences backend (MySQL) I need to have a realm/domain appended to 
>>>>> the username. For example, pref_uid should contain "morgan at orst.edu" 
>>>>> instead of "morgan".
>>>>> 
>>>>> In IMP4, I used the realm parameter to accomplish both goals.  I have 
>>>>> been reading the backends.php and hooks.php files, but I don't see how 
>>>>> to get a realm/domain appended to the pref_uid.
>>>> 
>>>> Preferences are stored by the current Horde username.  This can be 
>>>> altered from the authentication username by using the 'authusername' 
>>>> hook.
>>> 
>>> Is the 'authusername' hook only in Horde or is it available in IMP as 
>>> well?
>>> 
>>> How can I determine which IMAP server the user selected from within the 
>>> 'authusername' hook?  Does $credentials['server'] contain it?  Once I have 
>>> the server, can I access the backends.local.php $server['foo'] values?
>> 
>> I have been playing around with this some more.  I found the $credentials 
>> array passed to IMP's preauthenticate hook contains:
>> 
>> 'password' => (the user's password)
>> 'mode' => 'traditional'
>> 'imp_server_key' => 'onid'
>> 
>> "onid" is the key in my backends.local.php file for one of my IMAP servers.
>> 
>> However, I can't seem to access the $servers array.  I tried just logging 
>> it:
>>
>>  Horde::logMessage("IMP Server Realm: " .
>>    $servers[$credentials['imp_server_key']]['realm'], 'NOTICE');
>> 
>> Which produced an error in the log:
>>
>>  HORDE: [horde] PHP ERROR: Undefined variable: servers [pid 1217 on line
>>    36 of "/var/www-test/horde/imp/config/hooks.php"]
>> 
>> I don't know enough about the structure of IMP.  Is there a way to access 
>> the $servers array or some API call I can make to access it?
>> 
>> 
>> My intention is to make the Horde ID be a fully-qualified name 
>> (user at example.com), then make an authusername hook to strip the domain off 
>> for authentication.
>
> Okay, after flailing around for an hour, I've discovered that I should be 
> using the 'authusername' hook, like Michael said.  I tried playing with 
> preauthenticate and postauthenticate hooks, but that just left me unable to 
> login whenever I appended the realm.
>
> If I hardcode a realm in authusername, I can make things work the way I want:
>
>     public function authusername($userId, $toHorde)
>     {
>      if ($toHorde) {
>                Horde::logMessage("toHorde userId: $userId", 'NOTICE');
>              return $userId . '@onid.orst.edu';
>      } else {
>              // strip the domain off
>                $userId = substr($userId, 0, strpos($userId, '@'));
>                Horde::logMessage("toHorde userId: $userId", 'NOTICE');
>              return $userId;
>      }
>    }
>
>
> However, what I really need to do is lookup the realm on the fly.  Is there 
> some session parameter I can use as a key to lookup the $servers entry?
>
> I really need the ability to qualify usernames with realms!
>
> Thanks,
> 	Andy
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